iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Air (China), released on 2018-02-19T21:10:00Z. The update package is 466.17 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 17da7fd03dddb7edb10718dfa15bfcf52a8d9060.zip.